USMLE_Rate Limiting Steps Flashcards
1
Q
Glycolysis
A
Phosphofructokinase-1 (PFK-1)
2
Q
Gluconeogenesis
A
Fructose bisphosphatase-2
3
Q
TCA cycle
A
Isocitrate dehydrogenase
4
Q
Glycogen synthesis
A
Glycogen synthase
5
Q
Glycogenolysis
A
Glycogen phosphorylase
6
Q
HMP shunt
A
Glucose-6-phosphate dehydrogenase (G6PD)
7
Q
De novo pyrimidine synthesis
A
Aspartate transcarbamoylase (ATCase)
8
Q
De novo purine synthesis
A
Glutamine-PRPP amidotransferase
9
Q
Urea cycle
A
Carbamoyl phosphate synthase
10
Q
Fatty acid synthesis
A
Acetyl-CoA carboxylase (ACC)
11
Q
Fatty acid oxidation
A
Carnitine acyltransferase I
12
Q
Ketogenesis
A
HMG-CoA synthase
13
Q
Cholesterol synthesis
A
HMG-CoA reductase
